-85.73% is the change from 904 to 129
Calculation steps:
[( 129 - 904 ) ÷ 904] x 100 = -85.73%
Formula
Percentage change = [(129 - 904) / 904] x 100
Subtract the new number by the original number
129 - 904 = -775
-775 ÷ 904 = -0.8573008849557522
-0.8573008849557522 x 100 = -85.73%